linux-kernel - Re: [patch] CFS scheduler, v4

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Date:	Sat, 21 Apr 2007 09:39:01 +1200
From:	"mdew ." <some.nzguy@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] CFS scheduler, v4

Any chance of supporting 2.6.20?

On 4/21/07, Ingo Molnar <mingo@...e.hu> wrote:
>
> i'm pleased to announce release -v4 of the CFS patchset. The patch
> against v2.6.21-rc7 can be downloaded from:
>
>     http://redhat.com/~mingo/cfs-scheduler/
>
> this CFS release too is mainly about fixing regressions and improving
> interactivity, so the rate of change is relatively low:
>
>     11 files changed, 136 insertions(+), 72 deletions(-)
>
> in particular the preemption fix could resolve the 'desktop slows down
> under IO load' reports and the 'firefox does not switch tabs fast
> enough' reports as well. The suspend2 crash and the yield related
> Kaffeine hangs should be resolved as well.
>
> Changes since -v3:
>
>  - usability fix: automatic renicing of kernel threads such as keventd,
>    OOM tasks and tasks doing privileged hardware access (such as Xorg).
>    (This is a substitute for group scheduling until the group scheduling
>     details have been worked out.)
>
>  - bugfix: buggy yield() caused suspend2 problems
>
>  - preemption fix: it caused desktop app latencies
>
> As usual, any sort of feedback, bugreport, fix and suggestion is more
> than welcome,
>
>         Ingo
> -
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